21077348520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{953}}^1\times {\mathrm{2333}}^1$

素因数の和:3379

約数の個数: 128

約数和(自身を含む): 64127116800

約数和(自身を除く): 43049768280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 120, 158, 237, 316, 395, 474, 632, 790, 948, 953, 1185, 1580, 1896, 1906, 2333, 2370, 2859, 3160, 3812, 4666, 4740, 4765, 5718, 6999, 7624, 9332, 9480, 9530, 11436, 11665, 13998, 14295, 18664, 19060, 22872, 23330, 27996, 28590, 34995, 38120, 46660, 55992, 57180, 69990, 75287, 93320, 114360, 139980, 150574, 184307, 225861, 279960, 301148, 368614, 376435, 451722, 552921, 602296, 737228, 752870, 903444, 921535, 1105842, 1129305, 1474456, 1505740, 1806888, 1843070, 2211684, 2223349, 2258610, 2764605, 3011480, 3686140, 4423368, 4446698, 4517220, 5529210, 6670047, 7372280, 8893396, 9034440, 11058420, 11116745, 13340094, 17786792, 22116840, 22233490, 26680188, 33350235, 44466980, 53360376, 66700470, 88933960, 133400940, 175644571, 266801880, 351289142, 526933713, 702578284, 878222855, 1053867426, 1405156568, 1756445710, 2107734852, 2634668565, 3512891420, 4215469704, 5269337130, 7025782840, 10538674260, 21077348520]

約数ペア:

[(1, 21077348520), (2, 10538674260), (3, 7025782840), (4, 5269337130), (5, 4215469704), (6, 3512891420), (8, 2634668565), (10, 2107734852), (12, 1756445710), (15, 1405156568), (20, 1053867426), (24, 878222855), (30, 702578284), (40, 526933713), (60, 351289142), (79, 266801880), (120, 175644571), (158, 133400940), (237, 88933960), (316, 66700470), (395, 53360376), (474, 44466980), (632, 33350235), (790, 26680188), (948, 22233490), (953, 22116840), (1185, 17786792), (1580, 13340094), (1896, 11116745), (1906, 11058420), (2333, 9034440), (2370, 8893396), (2859, 7372280), (3160, 6670047), (3812, 5529210), (4666, 4517220), (4740, 4446698), (4765, 4423368), (5718, 3686140), (6999, 3011480), (7624, 2764605), (9332, 2258610), (9480, 2223349), (9530, 2211684), (11436, 1843070), (11665, 1806888), (13998, 1505740), (14295, 1474456), (18664, 1129305), (19060, 1105842), (22872, 921535), (23330, 903444), (27996, 752870), (28590, 737228), (34995, 602296), (38120, 552921), (46660, 451722), (55992, 376435), (57180, 368614), (69990, 301148), (75287, 279960), (93320, 225861), (114360, 184307), (139980, 150574)]